#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main() {
    double n = 0, a, b;
    char c;
    scanf("%lf%c%lf", &a, &c, &b);
    if (c == '+' || c == '-' || c == '*' || c == '/')
    {
        switch (c)
        {
        case '+':
            n = a + b;
            printf("%.4lf%c%.4lf=%.4lf", a, c, b, n);
            break;
        case '-':
            n = a - b;
            printf("%.4lf%c%.4lf=%.4lf", a, c, b, n);
            break;
        case '*':
            n = a * b;
            printf("%.4lf%c%.4lf=%.4f", a, c, b, n);
            break;
        case '/':
            if (b == 0.0)
                printf("Wrong!Division by zero!");
            else
            {
                n = a / b;
                printf("%.4lf%c%.4lf=%.4lf", a, c, b, n);
            }
            break;
        }
    }
    else
    {
        printf("Invalid operation!");
    }
    return 0;
}